understand that the area of a rectangle is the result of a multiplication partition (break apart) a number using your understanding of place value recall times-tables up to 9 x 9 and multiply by ...

Suppose that your fourth-grader takes a state test that shows that she understands the associative property of multiplication, can multiply two-digit numbers by two-digit numbers, and can find the ...

In 1971, German mathematicians Schönhage and Strassen predicted a faster algorithm for multiplying large numbers, but it remained unproven for decades. Mathematicians from Australia and France have ...